From 247ddfe20e03295f03fce96967e30dfdcf7a81f6 Mon Sep 17 00:00:00 2001
From: Alex 'AdUser' Z <ad_user@runbox.com>
Date: Thu, 22 Sep 2016 23:46:34 +1000
Subject: [PATCH] * source/files.c : add assert

---
 src/sources/files.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sources/files.c b/src/sources/files.c
index 7e9e0f0..f0ba836 100644
--- a/src/sources/files.c
+++ b/src/sources/files.c
@@ -184,6 +184,8 @@ bool
 stop(cfg_t *cfg) {
   f2b_file_t *next = NULL;
 
+  assert(cfg != NULL);
+
   for (; cfg->files != NULL; cfg->files = next) {
     next = cfg->files->next;
     file_close(cfg->files);